Component parent child transmission (event mechanism) - Code World

Component parent child transmission (event mechanism)

Others 2020-03-22 19:59:13 views: null

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Origin blog.csdn.net/qq_46606159/article/details/105019159

Component parent child transmission (event mechanism)

Parent child transmission (react)

In Vue, the parent component passes data to the child component or calls the event of the child component.

Vue2-component custom event (realize child to parent)

vue3 parent-child component passes value; vue3 child component passes value to parent component; vue3 child component listens to parent component interface to pass value; parent-child component event call

Vue component communication: parent and child, child and parent

Child component replaces parent component

Four, Vue component development study notes-parent-child component communication, the parent passes values to the child (props), the child passes values to the parent (custom event), slot slot

Child transmission parent flase Precautions

Vue2, the child component does not trigger an event to pass a value to the parent component

Parent-child component communication

The vue child component calls the parent component method and value (parent to child); the parent component calls the child component method and value (child to parent).

Child => parent component pass parameters

Event subscription package to pass the non-parent-child value component (React)

[WeChat Mini Program] Creation, communication and event triggering of parent-child components; component life cycle

Component passes value (the child page click event changes the parameters of the parent page and is directly triggered)

The child component accesses the ref of the parent component's parent component

react child component calls the parent component method

Child component failed to listen to parent component

Vue gets the data of the child component in the parent component

Child component passes value to parent component

Vue child component registered to the parent component summary

Modify the style of the child component in the vue parent component

Vue parent component passes object to child component

Vue parent component passes object to child component

Angular parent component calls method in child component

Vue child component passes value to parent component

Vue child component calls parent component method

[React] The parent component calls the method of the child component

Force refresh child component in parent component

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